🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`gitbook.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:765^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:821a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.101^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.26^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dahlia.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a59^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c059^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dahlia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2059^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dahlia.ns.cloudflare.com`
		A	108.162.192.89^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	172.64.32.89^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
		A	173.245.58.89^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dahlia.ns.cloudflare.com`
NS	`hugh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴⁰⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵²⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.101, 172.67.130.26
		IPv6 hints	2606:4700:3032::6815:765, 2606:4700:3035::ac43:821a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=144, name=cloudflare-ech.com
SOA	`dahlia.ns.cloudflare.com`dns@cloudflare.com serial=2409414590

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

gitbook.space

gitbook.io

gitbook.dev

gitbook.site

gitbook.my.id

gitbook.tw

gitbook.education

gitbook.me

gitbook.de

gitbook.workers.dev

gitbook.nl

gitbook.cn

gitbook.org

gitbook.eu

gitbook.net

gitbook.ai

gitbook.pages.dev

gitbook.wtf

gitbook.xyz

gitbook.lol

gitbook.mil.ph

gitbook.page

gitbook.cloud

gitbook.com

Similar names

gobotik.com

bogokit.xyz

itgbook.com

kitobgo.uz

bigtoko.pages.dev

bookitg.com

tgibook.com

igtbook.com

bigtoko.com

bgookit.com.ph

Previous names

gitacademy.dev

gitadel.dev

gitads.dev

gitagent.dev

gitaguru.dev

gitajob.dev

gitalot.dev

gitan.dev

gitana.dev

gitanelyon.dev

gitarctic.dev

gitarena.dev

gitarsenal.dev

gitart.dev

gitb.dev

gitbark.dev

gitbased.dev

gitbay.dev

gitbizzy.dev

gitblit.dev

Next names

DNS History

13 records (9 active, 4 former)

●NSdahlia.ns.cloudflare.com2026-08-31 → 2026-09-01 · 2 obs

● 2026-08-31 14:50:34
● 2026-09-01 14:21:50

●NShugh.ns.cloudflare.com2026-08-31 → 2026-09-01 · 2 obs

● 2026-08-31 14:50:34
● 2026-09-01 14:21:50

●MXroute1.mx.cloudflare.net2026-08-31 → 2026-09-01 · 2 obs

● 2026-08-31 14:50:34
● 2026-09-01 14:21:50

●MXroute2.mx.cloudflare.net2026-08-31 → 2026-09-01 · 2 obs

● 2026-08-31 14:50:34
● 2026-09-01 14:21:50

●MXroute3.mx.cloudflare.net2026-08-31 → 2026-09-01 · 2 obs

● 2026-08-31 14:50:34
● 2026-09-01 14:21:50

●A104.21.7.1012026-08-31 → 2026-09-01 · 3 obs

○ 2026-08-31 14:50:34
● 2026-08-31 18:45:58
● 2026-09-01 14:21:50

●A172.67.130.262026-08-31 → 2026-09-01 · 3 obs

○ 2026-08-31 14:50:34
● 2026-08-31 18:45:58
● 2026-09-01 14:21:50

○A188.114.96.02026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 14:50:34
○ 2026-08-31 18:45:58
○ 2026-09-01 14:21:50

○A188.114.97.02026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 14:50:34
○ 2026-08-31 18:45:58
○ 2026-09-01 14:21:50

●A2606:4700:3032::6815:7652026-08-31 → 2026-09-01 · 3 obs

○ 2026-08-31 14:50:34
● 2026-08-31 18:45:58
● 2026-09-01 14:21:50

●A2606:4700:3035::ac43:821a2026-08-31 → 2026-09-01 · 3 obs

○ 2026-08-31 14:50:34
● 2026-08-31 18:45:58
● 2026-09-01 14:21:50

○A2a06:98c1:3120::2026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 14:50:34
○ 2026-08-31 18:45:58
○ 2026-09-01 14:21:50

○A2a06:98c1:3121::2026-08-31 → 2026-08-31 · 3 obs

● 2026-08-31 14:50:34
○ 2026-08-31 18:45:58
○ 2026-09-01 14:21:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
gitbook.dev	hugh.ns.cloudflare.com, dahlia.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.117

NS records: hugh.ns.cloudflare.com, dahlia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 751ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.130.26, 104.21.7.101`
AAAA	2	`2606:4700:3032::6815:765, 2606:4700:3035::ac43:821a`
NS	2	`dahlia.ns.cloudflare.com, hugh.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 28), route1.mx.cloudflare.net (pri: 40)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dahlia.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

gitbook.dev directs to four IP numbers, which are 104.21.7.101, 172.67.130.26, 2606:4700:3032::6815:765 and 2606:4700:3035::ac43:821a.

bryanortiz.com, xzyda.com, 12klwin.co plus two other host names have IP numbers in common with gitbook.dev.

Name Servers

gitbook.dev uses two name servers for its delegation: dahlia.ns.cloudflare.com and hugh.ns.cloudflare.com.

The name server configuration of gitbook.dev is shared with other domains, for instance beama.org.uk, getsquad-dev-samy-static-assets.pages.dev, bluenove.com and two others.

The name servers of gitbook.dev overlap at least partially with those of other domains — among them biancalei.com, theinformr.ca, westerntownandcountry.com.au and two more.

The name servers isla.ns.cloudflare.com, sullivan.ns.cloudflare.com and aldo.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

Hostname dahlia.ns.cloudflare.com directs to 108.162.192.89, 172.64.32.89 and 173.245.58.89 along with 3 other IP addresses.

Hostname hugh.ns.cloudflare.com directs to 108.162.193.117, 172.64.33.117 and 173.245.59.117 along with 3 other IP addresses.

Mail Servers

Mail for gitbook.dev is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by gitbook.dev are shared with other domains: nextempest.com, jacketandhoodie.com, corentindeguisne.fr and two others among them.

Hosts with 6 IP addresses each:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

gitbook.dev - robtex.com

gitbook.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`gitbook.dev`

`dev`